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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 598 · 40 sums
TalentJR

The trick (Ekadhikena Purvena): Ending in 1 (t1): t² | 2 × t | 1, carrying from the right. Ending in 4: square the next number (ends in 5), then take away the two numbers added together. Ending in 6: square the number before (ends in 5), then add the two numbers.

NameDateTime takenScore ___ / 40
  1. 1.51² =
  2. 2.201² =
  3. 3.141² =
  4. 4.16² =
  5. 5.54² =
  6. 6.16² =
  7. 7.256² =
  8. 8.11² =
  9. 9.36² =
  10. 10.226² =
  11. 11.231² =
  12. 12.56² =
  13. 13.26² =
  14. 14.26² =
  15. 15.31² =
  16. 16.191² =
  17. 17.164² =
  18. 18.146² =
  19. 19.24² =
  20. 20.201² =
  21. 21.211² =
  22. 22.94² =
  23. 23.11² =
  24. 24.34² =
  25. 25.76² =
  26. 26.21² =
  27. 27.81² =
  28. 28.296² =
  29. 29.196² =
  30. 30.21² =
  31. 31.16² =
  32. 32.154² =
  33. 33.24² =
  34. 34.16² =
  35. 35.131² =
  36. 36.21² =
  37. 37.11² =
  38. 38.91² =
  39. 39.151² =
  40. 40.86² =

Answer key

  1. 2601
  2. 40401
  3. 19881
  4. 256
  5. 2916
  6. 256
  7. 65536
  8. 121
  9. 1296
  10. 51076
  11. 53361
  12. 3136
  13. 676
  14. 676
  15. 961
  16. 36481
  17. 26896
  18. 21316
  19. 576
  20. 40401
  21. 44521
  22. 8836
  23. 121
  24. 1156
  25. 5776
  26. 441
  27. 6561
  28. 87616
  29. 38416
  30. 441
  31. 256
  32. 23716
  33. 576
  34. 256
  35. 17161
  36. 441
  37. 121
  38. 8281
  39. 22801
  40. 7396

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